Endangered tigers’ habitats have been carved up in central India, but the cats still prowl through strips of forest that connect these far-flung populations, a new study finds. These corridors enable the estimated 273 tigers in the area to intermingle and stay genetically strong, researchers report online July 30 in the Proceedings of the Royal Society B.

Using historical data and genetic analyses, Sandeep Sharma of the Smithsonian Conservation Biology Institute in Washington, D.C., and his co...